Home / 12,197.18-18,279.33-8,894.81

Finding the Fourth Proportional to 12,197.18, 18,279.33 and 8,894.81

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Solution

The fourth proportional to 12,197.18, 18,279.33 and 8,894.81 is: 13,330.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,197.18 : 18,279.33 = 8,894.81 : x
  2. Step 2: Convert to fraction form
    12,197.18/18,279.33 = 8,894.81/x
  3. Step 3: Cross multiply
    12,197.18x = 18,279.33 × 8,894.81
  4. Step 4: Simplify right side
    12,197.18x = 162,591,167.28
  5. Step 5: Solve for x
    x = 162,591,167.28/12,197.18
  6. Step 6: Final answer
    x = 13,330.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.